15. These shapes are similar.
12
9
5
4
6
Which equation could be used to find the missing value of x?
А.

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)

Which expression is equivalent to (4 +6i)^2? ? -20 + 48i 8 + 12i 16 - 36i 20 + 48i